UC知道机械翻译
来源：百度知道 编辑：UC知道 时间：2024/05/10 23:40:02
风管系统安装完毕后，应进行严密性检验，漏风量应符合设计与规范规定。风管系统严密性检验低压风管采用漏光法；中压风管在漏光法检测合格后进行漏风量测试；高压风管全数进行漏风量检测。严密性测试按附录A要求进行。系统风管严密性检验的被抽检系统，应全数合格，则视为通过．如有不合格时．则应再加倍抽榆，直到个数合格
风管安装前应清理于净。安装位置、标高、走向应符合设计要求，接口有效载面不得缩小。法兰螺栓应拧紧且螺母在同侧。接口严密牢固，法兰垫片材质符合功能要求，厚度≥3mm，且不得突入管内外。柔性短管松紧适度，无明显扭曲。可伸缩性软管长度≤2m，不应有死弯或塌凹。穿入砖混凝土风道应顺气流插入，穿出屋面有防渗漏措施。
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